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What is Alternating Current (AC)?

Textbook

Most students of electricity begin their study with what is known as…

Parallel Resistor Calculator

Tools

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

AC Commutator Motors

Textbook

Charles Proteus Steinmetz’s first job after arriving in America…

Wheatstone Bridge Calculator

Tools

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

Instrumentation Amplifier Gain Calculator

Tools

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

Wiring Color Codes

Textbook

Wiring for AC and DC power distribution branch circuits are color…

Rectifying Diodes

Worksheets - Development Boards

Don’t just sit there! Build something!! Learning to mathematically…

Hand Calculator Use

Textbook

To enter numbers in scientific notation into a hand calculator, there…

Calculating Power Factor

Textbook

As was mentioned before, the angle of this “power…

Solving for Unknown Time

Textbook

Sometimes it is necessary to determine the length of time that a…

Coefficients of Specific Resistance

Textbook

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…

Embedded Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an embedded microstrip.

Introduction to Shift Registers

Textbook

Shift registers, like counters, are a form of sequential logic.…

Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6-volt batteries Three NPN…

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

3-bit Binary Counter

Textbook

PARTS AND MATERIALS 555 timer IC (Radio Shack catalog # 276-1723) One…

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Conductance

Textbook

When students first see the parallel resistance equation, the natural…

The Pentode

Textbook

Another strategy for addressing the problem of secondary electrons…

Specific Resistance of Conductors

Worksheets - Development Boards

Given two lengths of metal wire, which one will have the least…

Simple Combination Lock

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Programmable Logic Controllers

Worksheets - Development Boards

The Programmable Logic Controller, or PLC, was invented in the late…

IGBTs

Textbook

Because of their insulated gates, IGFETs of all types have extremely…

Performance-Based Assessments for DC Circuit Competencies

Worksheets - Development Boards

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